English Etymology From subdue + -er. Pronunciation (UK) IPA(key): /sʌbˈdjuːə/ (US) IPA(key): /sʌbˈduɚ/ Rhymes: -uːə(ɹ) Noun subduer (plural subduers) One who, or that which, subdues.Wikiwand - on Seamless Wikipedia browsing. On steroids.